132 	struct persistent_ram_zone *prz;  in ramoops_get_next_prz()  local
139 	prz = przs[i];  in ramoops_get_next_prz()
140 	if (!prz)  in ramoops_get_next_prz()
145 		persistent_ram_save_old(prz);  in ramoops_get_next_prz()
147 	if (!persistent_ram_old_size(prz))  in ramoops_get_next_prz()
153 	return prz;  in ramoops_get_next_prz()
181 static bool prz_ok(struct persistent_ram_zone *prz)  in prz_ok()  argument
183 	return !!prz && !!(persistent_ram_old_size(prz) +  in prz_ok()
184 			   persistent_ram_ecc_string(prz, NULL, 0));  in prz_ok()
243 	struct persistent_ram_zone *prz = NULL;  in ramoops_pstore_read()  local
257 	while (cxt->dump_read_cnt < cxt->max_dump_cnt && !prz) {  in ramoops_pstore_read()
258 		prz = ramoops_get_next_prz(cxt->dprzs, &cxt->dump_read_cnt,  in ramoops_pstore_read()
262 		if (!prz_ok(prz))  in ramoops_pstore_read()
264 		header_length = ramoops_read_kmsg_hdr(persistent_ram_old(prz),  in ramoops_pstore_read()
269 			persistent_ram_free_old(prz);  in ramoops_pstore_read()
270 			persistent_ram_zap(prz);  in ramoops_pstore_read()
271 			prz = NULL;  in ramoops_pstore_read()
275 	if (!prz_ok(prz))  in ramoops_pstore_read()
276 		prz = ramoops_get_next_prz(&cxt->cprz, &cxt->console_read_cnt,  in ramoops_pstore_read()
280 	if (!prz_ok(prz))  in ramoops_pstore_read()
281 		prz = ramoops_get_next_prz(&cxt->mprz, &cxt->pmsg_read_cnt,  in ramoops_pstore_read()
286 	if (!prz_ok(prz)) {  in ramoops_pstore_read()
288 			prz = ramoops_get_next_prz(cxt->fprzs,  in ramoops_pstore_read()
324 			prz = tmp_prz;  in ramoops_pstore_read()
328 	if (!prz_ok(prz)) {  in ramoops_pstore_read()
333 	size = persistent_ram_old_size(prz) - header_length;  in ramoops_pstore_read()
336 	record->ecc_notice_size = persistent_ram_ecc_string(prz, NULL, 0);  in ramoops_pstore_read()
344 	memcpy(record->buf, (char *)persistent_ram_old(prz) + header_length,  in ramoops_pstore_read()
347 	persistent_ram_ecc_string(prz, record->buf + size,  in ramoops_pstore_read()
352 		kfree(prz->old_log);  in ramoops_pstore_read()
353 		kfree(prz);  in ramoops_pstore_read()
359 static size_t ramoops_write_kmsg_hdr(struct persistent_ram_zone *prz,  in ramoops_write_kmsg_hdr()  argument
371 	persistent_ram_write(prz, hdr, len);  in ramoops_write_kmsg_hdr()
380 	struct persistent_ram_zone *prz;  in ramoops_pstore_write()  local
436 	prz = cxt->dprzs[cxt->dump_write_cnt];  in ramoops_pstore_write()
439 	hlen = ramoops_write_kmsg_hdr(prz, record);  in ramoops_pstore_write()
441 	if (size + hlen > prz->buffer_size)  in ramoops_pstore_write()
442 		size = prz->buffer_size - hlen;  in ramoops_pstore_write()
443 	persistent_ram_write(prz, record->buf, size);  in ramoops_pstore_write()
467 	struct persistent_ram_zone *prz;  in ramoops_pstore_erase()  local
473 		prz = cxt->dprzs[record->id];  in ramoops_pstore_erase()
476 		prz = cxt->cprz;  in ramoops_pstore_erase()
481 		prz = cxt->fprzs[record->id];  in ramoops_pstore_erase()
484 		prz = cxt->mprz;  in ramoops_pstore_erase()
490 	persistent_ram_free_old(prz);  in ramoops_pstore_erase()
491 	persistent_ram_zap(prz);  in ramoops_pstore_erase()
619 			    struct persistent_ram_zone **prz,  in ramoops_init_prz()  argument
632 	*prz = persistent_ram_new(*paddr, sz, sig, &cxt->ecc_info,  in ramoops_init_prz()
634 	if (IS_ERR(*prz)) {  in ramoops_init_prz()
635 		int err = PTR_ERR(*prz);  in ramoops_init_prz()
642 	persistent_ram_zap(*prz);  in ramoops_init_prz()